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Air enters a turbojet engine at 254 K, 57 kPa and 281 m/s. The pressure ratio across the compressor is 14.9 and the work developed by the turbine equals the compressor work input. If 776 kJ/kg of heat is transferred to air in the combustion chamber, calculate the velocity of air at the exit of the engine, in m/s. Properties of air: C,=0.718 kJ/(kgK), C,=1.005 kJ/(kgK), R=0.287 kJ/(kgK), k=1.4

Air enters a turbojet engine at 254 K, 57 kPa and 281 m/s. The pressure ratio across the compressor is 14.9 and the work developed by the turbine equals the compressor work input. If 776 kJ/kg of heat is transferred to air in the combustion chamber, calculate the velocity of air at the exit of the engine, in m/s. Properties of air: C,=0.718 kJ/(kgK), C,=1.005 kJ/(kgK), R=0.287 kJ/(kgK), k=1.4

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Air enters a turbojet engine at 254 K, 57 kPa and 281 m/s. The pressure ratio across the compressor is 14.9 and the work developed by the turbine equals the compressor work input. If 776 kJ/kg of heat is transferred to air in the combustion chamber, calculate the velocity of air at the exit of the engine, in m/s.

Air enters a turbojet engine at 254 K, 57 kPa and 281 m/s. The pressure ratio across the compressor is 14.9 and the work developed by the turbine equals the compressor work input. If 776 kJ/kg of heat is transferred to air in the combustion chamber, calculate the velocity of air at the exit of the engine, in m/s. Properties of air: Cv=0.718 kJ/(kgK), C,=1.005 kJ/(kgK), R=0.287 kJ/(kgK), k=1.4
Transcribed Image Text:Air enters a turbojet engine at 254 K, 57 kPa and 281 m/s. The pressure ratio across the compressor is 14.9 and the work developed by the turbine equals the compressor work input. If 776 kJ/kg of heat is transferred to air in the combustion chamber, calculate the velocity of air at the exit of the engine, in m/s. Properties of air: Cv=0.718 kJ/(kgK), C,=1.005 kJ/(kgK), R=0.287 kJ/(kgK), k=1.4
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